Myiasis - pigs
Myiasis is the infestation of living vertebrates with the larvae of flies, the species of which vary with location around the world.
Sarcoptes species — pigs
Adult mites of the genus Sarcoptes live in the stratum corneum of the skin of pigs.
Sucking lice: Haematopinus suis
In Canada pigs are hosts to the large (five to six mm) sucking louse Haematopinus suis.